What is CVE-2026-8829?

CVE-2026-8829 is a high-severity vulnerability in Oalders Html\, classified under Use After Free. CVSS score: 7.5/10. Published 2026-06-04.

How severe is CVE-2026-8829?

High severity. CVSS v3 base score is 7.5 out of 10.

Use After Free in Oalders Html\

CVE-2026-8829

HTML::Entities versions before 3.84 for Perl read freed heap memory in _decode_entities. The XS routine backing HTML::Entities::_decode_entities cached a pointer (repl) into the entity-value SV returned by hv_fetch on the entity2char hash…

Vulnerability class: Use-After-Free

EPSS: 0.003 (23.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Oalders Html\ — versions \
Oalders Html::entities — versions 0

Weakness classification (CWE)

CWE-416 — Use After Free

References

9b29abf9-4ab0-4765-b253-1875cd9b441e (Patch, patch, Issue Tracking)
9b29abf9-4ab0-4765-b253-1875cd9b441e (Patch, patch)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-8829?: CVE-2026-8829 is a high-severity vulnerability in Oalders Html\, classified under Use After Free. CVSS score: 7.5/10. Published 2026-06-04.
How severe is CVE-2026-8829?: High severity. CVSS v3 base score is 7.5 out of 10.